This a quest takes place in Devastation. You can reach this zone through the portal at the top of Unrest.
This quest results in a type 8 weapon augment: the aug is 25ac 100hp/mana 10atk 1hp and mana regen and adds 15 damage to your weapon. Yes adds 15 you heard it 15 damage to you weapon. as you can imagine this augment is insane.
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To get the augment you will need to gather 3 items for Looter Nevek who is also located in Devastation. He is in the SW part of the zone in a small tented camp with other NPCs.
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The items are: Gargoyle Eye (dropped from any of the gargoyles in zone), a wurm scale (from the wandering wurms) and a wyvern claw(from a lost wyvern)
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After you have gathered the 3 items hand them to Looter Nevek and presto you have your super weapon augment!